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Iron Base & Stainless Steel

Common Alloy Name Industry Specifications Nominal Composition (Percent %)
302 AMS5688, MS20995C, NASM20995C Fe, 18 Cr, 9 Ni
304 AMS5697, MS20995C, NASM20995C Fe, 19 Cr, 9.5 Ni
305 AMS5685, AS5685 Fe, 18 Cr, 11.5 Ni
307 AWS A5.9 ER307 Fe, 4 Mn, 0.5 Si, 20.5 Cr, 9.5 Ni, 1 Mo
308, 18/8 AWS A5.9 ER308, 308Si, 308H, 308L, 308LSi, 308Mo, 308LMo; MSRR9500/2 Fe, 1.5 Mn, 0.5 Si, 20.5 Cr, 10 Ni
309 AWS A5.9 ER309, 309Si, 309L, 309Lsi, 309Mo, 309LMo Fe, 1.5 Mn, 0.5 Si, 24 Cr, 13 Ni
310 AMS5694, AWS A5.9 ER310 Fe, 27 Cr, 21.5 Ni
312 (29-9) AMS5784, AWS A5.9 ER312; MSRR9500/212 Fe, 29 Cr, 9.5 Ni
316 AMS5690, AMS5692, AWS A5.9 ER316, 316Si, 316H, 316L, 316LSi, 316LMn; MSRR9500/208 Fe, 19 Cr, 12.5 Ni, 2.5 Mo
317 AWS A5.9 ER317, 317L Fe, 1.5 Mn, 0.5 Si, 19.5 Cr, 14 Ni, 3.5 Mo
318 AWS A5.9 ER318, MSRR9500/6 Fe, 1.5 Mn, 0.5 Si, 19 Cr, 12.5 Ni, 2.5 Mo
320LR (20Cb3) AWS A5.9 ER320, ER320LR Fe, 1.75 Mn, 20 Cr, 34 Ni, 2.5 Mo, 3.5 Cu, 0.4 Cb (Nb)
321 AMS5689, AWS A5.9 ER321 Fe, 18 Cr, 10.5 Ni, 0.4 Ti
330 AWS A5.9 ER330 Fe, 1.5 Mn, 0.5 Si, 16 Cr, 35.5 Ni, 0.22 C
347 AMS5680, AWS A5.9 ER347, 347Si; MSRR9500/207 Fe, 18.5 Cr, 11 Ni, 0.4 Cb (Nb)
349 (19-9 W Mo) AMS5782, MSRR9500/211 Fe, 20.5 Cr, 9 Ni, 0.5 Mo, 1.5 W, 1.2 Cb (Nb), 0.2 Ti
409 AWS A5.9 ER409, 409Nb Fe, 12 Cr, 0.8 Ti, 0.8 Cb (Nb)
410 AMS5776, AWS A5.9 ER410, 410NiMo; MSRR9500/205 Fe, 12.5 Cr
410 Modified AMS5821 Fe, 12 Cr
Greek Ascoloy (418) AMS5817 Fe, 13 Cr, 2 Ni, 3 W
420 AMS5621, AWS A5.9 ER420 Fe, 13 Cr, 0.3-0.4 C
430 AWS A5.9 ER430 Fe, 16 Cr
2209 AWS A5.9 ER2209 Fe, 22.5 Cr, 8.5 Ni, 3 Mo, 1.25 Mn, 0.14 N
2594 AWS A5.9 ER2594 Fe, 25.5 Cr, 9.25 Ni, 3 Mo, 0.25 N
PH 13-8 M AMS5840 Fe, 13 Cr, 8 Ni, 2.3 Mo, 1.1 Al
15-5PH AMS5826 Fe, 15 Cr, 5.1 Ni, 0.3 Cb (Nb), 3.2 Cu
WPH 15-7 Mo AMS5812, AMS5813 Fe, 15 Cr, 7.1 Ni, 2.4 Mo, 1 Al
17-4PH (630) AMS5825, AWS A5.9 ER630, MSRR9500/240 Fe, 16.4 Cr, 4.8 Ni, 0.22 Cb (Nb), 3.6 Cu
17-4PH (VM) AMS5803 Fe, 16.4 Cr, 4.8 Ni, 0.22 Cb (Nb), 3.6 Cu
17-7PH AMS5824, MSRR9500/251 Fe, 17 Cr, 7.1 Ni, 1 Al
A286 AMS5804, MSRR9500/233 Fe, 15 Cr, 25.5 Ni, 1.3 Mo, 2.2 Ti, 0.006 B, 0.3 V
A286 (VM) AMS5805, MSRR9500/234 Fe, 15 Cr, 25.5 Ni, 1.2 Mo, 2.1 Ti, 0.004 B, 0.3 V
Nitronic 40 (21-6-9) AMS5818, AWS A5.9 ER219 Fe, 9 Mn, 20 Cr, 6.2 Ni, 0.2 N
Nitronic 50 AMS5764, AWS A5.9 ER209 Fe, 5 Mn, 22 Cr, 12.5 Ni, 2.2 Mo, 0.2 Cb (Nb), 0.3 N, 0.2 V
Nitronic 60 AMS5848, AWS A5.9 ER218 Fe, 8 Mn, 4 Si, 17 Cr, 8.5 Ni, 0.13 N
240 AWS A5.9 ER240 Fe, 12 Mn, 18 Cr, 5 Ni, 0.2 N
Custom 450 AMS5773 Fe, 15 Cr, 6.5 Ni, 0.75 Mo, 0.3 Cb (Nb), 1.5 Cu
Custom 455 AMS5617 Fe, 12 Cr, 8.5 Ni, 1.2 Ti, 2 Cu
AM-350 AMS5774 Fe, 16.5 Cr, 4.5 Ni, 2.9 Mo, 0.1 N
AM-355 AMS5780, MSRR9500/210 Fe, 15.5 Cr, 4.5 Ni, 2.9 Mo, 0.1 N
N-155 (Multimet) AMS5794, MSRR9500/214 31 Fe, 21 Cr, 20 Ni, 20 Co, 3 Mo, 2.5 W, 1 Cb (Nb), 0.15 N
Jethete M-190 AMS5823, MSRR9500/10 Fe, 11.8 Cr, 2.8 Ni, 1.6 Co, 1.8 Mo, 0.32 V
Haynes 556 AMS5831, AWS A5.9 ER3556 29 Fe, 22 Cr, 21 Ni, 18.5 Co, 3.2 Mo, 2.8 W, 0.78 Ta, 0.3 Al, 0.05 Zr, 0.05 La, 0.2 N
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